package com.gao.controller.config;

import at.pollux.thymeleaf.shiro.dialect.ShiroDialect;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.LinkedHashMap;

/**
 * @Projectname springboot-08-shiro
 * @Filename ShiroConfig
 * @Author an
 * @Data 2022/8/14 18:58
 * @Description TODO
 */
@Configuration
public class ShiroConfig {

    //shirofilterFactory      3
    @Bean
    public ShiroFilterFactoryBean shiroFilterFactoryBean(@Qualifier("securitymanager") DefaultWebSecurityManager defaultWebSecurityManager){
        ShiroFilterFactoryBean shiroFilterFactoryBean = new ShiroFilterFactoryBean();
        //设置安全管理器
        shiroFilterFactoryBean.setSecurityManager(defaultWebSecurityManager);
        //添加shiro的内置过滤器
        /*
        * anon：无需认证就可以访问
        * authc：必须认证才能访问
        * user：必须拥有 记住我 才能使用
        * perms：拥有对某个资源的权限才能访问
        * role：拥有某个角色的权限才能访问
        * */
        LinkedHashMap<String, String> filterMap = new LinkedHashMap<>();
//        filterMap.put("/user/add","authc");
//        filterMap.put("/user/update","authc");
        //授权，正常情况下，没有授权会跳转到未授权页面
        filterMap.put("/user/add","perms[user:add]");
        filterMap.put("/user/update","perms[user:update]");


        filterMap.put("/user/*","authc");

        shiroFilterFactoryBean.setFilterChainDefinitionMap(filterMap);

        //设置登录请求
        shiroFilterFactoryBean.setLoginUrl("/tologin");

        //设置未授权页面
        shiroFilterFactoryBean.setUnauthorizedUrl("/noauth");


        return shiroFilterFactoryBean;
    }

    //DefaultWebSecurityManager    2
    @Bean(name = "securitymanager")
    public DefaultWebSecurityManager defaultWebSecurityManager(@Qualifier("userRealm") UserRealm userRealm){
        DefaultWebSecurityManager defaultWebSecurityManager = new DefaultWebSecurityManager();
        //关联UserRealm
        defaultWebSecurityManager.setRealm(userRealm);
        return defaultWebSecurityManager;
    }


    //创建 realm对象，需要自定义    1
    @Bean
    public UserRealm userRealm(){
        return new UserRealm();
    }


    //整合shirodialect:用来整合shiro  thymeleaf
    @Bean
    public ShiroDialect shiroDialect(){
        return new ShiroDialect();
    }

}
